Guinea pigs don’t wag tails or lick faces the way dogs might, but they still show affection in surprisingly personal ways. Once they feel safe, their behavior shifts from cautious to curious, and ...
One month after an experimental procedure to transplant the heart of a genetically modified pig into a patient with end-stage heart disease, doctors say the heart is functioning on its own and shows ...
One month after an experimental procedure to transplant the heart of a genetically modified pig into a patient with end-stage heart disease, doctors say the heart is functioning on its own and shows ...
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